| 摘要 |
Compounds of formula (I) or a pharmaceutically acceptable salt, amide, ester , or prodrug thereof, wherein R1 is alkyl, aryl, arylalkyl, cycloalkyl, cycloalkylalkyl, haloalkyl, heterocycle, heterocyclealkyl, heteroaryl, or heteroarylalkyl; R4 is formula (Ia), formula (Ib), formula (Ic), formula (Id ), formula (Ie) or formula (If); or formula (II), or a pharmaceutically acceptable salt, amide, ester or prodrug thereof, wherein R14 is formula (III), formula (IV), formula (V), formula (VI), formula (VII), formula (VIII ), formula (IX), formula (X), formula (XI), or formula (XII); modulate PN3 in mammals and are useful in treating pain in mammals.
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